Fastener for meeting-rails of sashes



(ModeL) T. R. MILLER.

FASTENER FOB MEETING RAILS'OP SASHES. No. 249,250. Patented Nov. 8,1881.

N. PETERS 'Phm-Liuw n mr, Washingloa n. c.

UNITED STATES 7 PATENT Darren.

THOMAS-ll... MILLER, OF NEW HAVEN, GONNEOTIOUT.

FASTENE R FOR MEETING-RAILS OF SASHES.

SPECIFICATION forming part of Letters Patent No. 249.250, dated November8, 1881.

Application filed September 8, 1881. (ModeL) To all whom it may concernBeit known that I, THOMAS R. MiLLER, a citizen of the United States ofAmerica, residing at New Haven, in the county of New Haven and State ofConnecticut, have in vented certain new and useful Improvements in Sash-Locks; and I do hereby declare the following to be a full, clear, andexact description of the invention, such as will enable others skilledin the art to which it appertains to make and use the same, referencebeing had to the accompanyin g drawings, and to letters or figures ofreference marked thereon, which form a part of this specification, andinwhich- Figure 1 is a plan view, showing the relative position of theparts, unlocked, and the overlapping of the meeting edges thereof, toprevent access to the lock from the outside, and the lever in dottedlines in its locked position. Fig. 2 is a detailed transverse verticalsection; and Fig. 3 is a detailed side view thereof.

This invention has relation to improvements in sash-locks, having forits object, in common with others of the same class, chiefly, to edectthe automatic locking of the sash, this being done by the action of thelowering sash, en-

tirely obviating the manipulation of the lock' with the hand, and topreclude the possibility of reaching the look from the outside, and itconsists in combining, with a spring-actuated lever, mechanism or meansby which the descending sash, just as it reaches its lowest position,will operate said lever and cause it to lockthe sash, substantially ashereinafter more.

fully set forth. I In carrying out my invention I employ, as is usual,the lever A, having at its pivotal point a hub or sleeve, a, supportedupon a base-plate, B, adapted to be fastened upon the lower rail of theupper sash, as commonly practiced.

Around a fixed shaft or pintle, (l, with its head fitted upon the upperend of the leversleeve a, and its lower end bolted or fastened to theunder side of the plate B, is a coiled spring, D, one end being fastenedto the lever sleeve or hub andthe other end to the baseplate Bwhen thelever is placed atabout an opposite point to that it occupies whenunlocked, the latter position being seen in Fig. 1. By then moving thelever around to the lastmentioned positionit will be put under thepressure or action of the spring D, by the recoil of which the leverwill be so acted upon as to spring into its locked position.

The construction thus far described possesses nothing novel.

The lowerend of the lever hub or sleevea has formed upon it, at a pointabout at a right angle to the lever A, a chambered projection,

E, the function of which will be readily understood hereinafter.

Immediately in a vertical plane with the chamber E, or at its front, thebase-plate B is cast, upon its under side, with a socket, b, opening atone side through the base-plate, as at 0, its bottom being closed afterutilizing said socket. a F is a stud fitted in the upper part of thesocket b, and provided with a projection or disk, F, at its lower end,which projects out through the side opening, 0, of the socket, asclearly seen in Figs. 2 and 3. This disk or projection is cushioned orseated upon a spring,

d, resting upon the inserted bottom of thesocket 1), its normal actionprojecting the stud F beyond the top of the base-plate B.

It will be noticed that as the lever A is carried around to its unlockedposition, against the pressure of the spring, it will bring the chamberE against and depress the spring tooth or stud F, and thus, by thereaction of its spring, throw the tooth or stud into said chamber andarrest the further movement of the lever.

The lower front edge of the base-plate B is provided with a flange, c,which underlaps the same edge of the engaging-plate of the lever, whichprecludes the possibility of reaching the locking-lever A, or passing aninstrumentor thin strip of metal up in contact therewith from theoutside, thereby securely locking the sash as against beingclaudestinely raised.

G is araised plate adapted to be screwed or fastened to the upper railof the lower sash, and having a cut-under portion at its lower frontedge, as at f, to overlap the flange e of the plate A, the purpose ofwhich, in addition The raised plate G has a curved or cam slot, 9, whichreceives and is adapted to arrest the tooth h of theleverA when itstands crosswise of the sash. From this it will be observed that 5 thelocking of the lever is effected by the lowering of the sash, orautomatically, thus obviating the/use of the hand in manipulating thelever or fastener.

Having thus fully described my invention, I [0 claim and desire tosecure by Letters Patent- 1. In a sash-lock, the combination, with thespring-lever A, having the chambered stud E upon its vertical sleeve orhub, arranged th ereon at about right angles to the lever, of the 15 sprin g-stud F, having the projection F, struck by the descending sash,substantially as and for the purpose specified.

2. In a sash-lock, the combination, with the base-plate B, having thespring-lever and the spring stud or tooth F, with its projection F,projecting through an opening in said plate or case, of the plate orcase Gr, adapted to receive THOMAS R. MILLER.

Witnesses:

GEORGE TERRY, WILLIs GURauss, J r.

